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boost_mpl/include/boost/mpl/aux_/begin_end_impl.hpp
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2002-09-15 22:13:24 +00:00

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//-----------------------------------------------------------------------------
// boost mpl/aux_/begin_end_impl.hpp header file
// See http://www.boost.org for updates, documentation, and revision history.
//-----------------------------------------------------------------------------
//
// Copyright (c) 2000-02
// Aleksey Gurtovoy
//
// Permission to use, copy, modify, distribute and sell this software
// and its documentation for any purpose is hereby granted without fee,
// provided that the above copyright notice appears in all copies and
// that both the copyright notice and this permission notice appear in
// supporting documentation. No representations are made about the
// suitability of this software for any purpose. It is provided "as is"
// without express or implied warranty.
#ifndef BOOST_MPL_AUX_BEGIN_END_IMPL_HPP_INCLUDED
#define BOOST_MPL_AUX_BEGIN_END_IMPL_HPP_INCLUDED
#include "boost/mpl/begin_end_fwd.hpp"
#include "boost/mpl/aux_/traits_lambda_spec.hpp"
#include "boost/mpl/aux_/config/eti.hpp"
namespace boost {
namespace mpl {
// default implementation; conrete sequences might override it by
// specializing either the |begin_traits/end_traits| or the primary
// |begin/end| templates
template< typename Tag >
struct begin_traits
{
template< typename Sequence > struct algorithm
{
typedef typename Sequence::begin type;
};
};
template< typename Tag >
struct end_traits
{
template< typename Sequence > struct algorithm
{
typedef typename Sequence::end type;
};
};
#if defined(BOOST_MPL_MSVC_ETI_BUG)
template<> struct begin_traits<int>
{
template< typename Sequence > struct algorithm
{
typedef int type;
};
};
template<> struct end_traits<int>
{
template< typename Sequence > struct algorithm
{
typedef int type;
};
};
#endif
BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,begin_traits)
BOOST_MPL_ALGORITM_TRAITS_LAMBDA_SPEC(1,end_traits)
} // namespace mpl
} // namespace boost
#endif // BOOST_MPL_AUX_BEGIN_END_IMPL_HPP_INCLUDED